Forces and Motion
What is friction?
The type of quantity with only a magnitude/size.
What is a scalar?
The term given to the multiplication of an objects mass and it's velocity.
What is momentum?
The quantity that is impacted by the addition of a parachute to an object.
Newtons.
What is the unit of force?
The type of quantity with both a magnitude and direction.
What is a vector quantity?
The concept that determines the total momentum of a closed system.
What is the law of conservation of momentum?
The general name for materials that increase the time for the egg to decelerate after hitting the ground.
What is padding/cushioning?
The law that states objects will continue their current motion unless acted upon by a force.
What is Newton's first law?
The quantity that describes the rate of change of distance of an object.
What is speed?
ms-2
What is the unit for acceleration?
The design of modern cars that increases the collision time, reducing the deceleration felt by its occupants.
What are crumple zones?
The name of the property of matter that allows it resist motion.
What is inertia?
The vector quantity representing the rate of change of displacement.
What is velocity?
kgms-1
What is the unit for momentum?
The final speed of a falling object, impacted by the surface area interacting with air below it.
What is terminal velocity?
9.8 m/s2
What is the acceleration due to gravity?
The rate of change of an objects velocity.
What is acceleration?
kgms-2
What is the unit for acceleration?
The value of a in the following equation for the egg drop experiment.
v^2 = u^2 + 2as
What is 9.8 ms-2?